AT&T 2448 User Manual

AT&T

SPIRIT

Communications System
Model 2448

®

2448 Expansion Unit
Installation Instructions

NOTICE: While reasonable efforts were made to ensure that the information
in this document was complete and accurate at the time of printing, AT&T
assumes no responsibility for any errors. Changes or corrections to the
information contained in this document may be incorporated into future
re-issues.

IMPORTANT SAFETY INSTRUCTIONS

SPIRIT® Communications System -2448 Controller/2448 Expansion Unit

The exclamation
intended to alert
and maintenance
the product.

When using your telephone equipment,
followed to reduce the risk of fire, electric

1.

Read and understand all instructions.

2.

Follow all warnings and instructions marked on the product.

3.

Unplug this product from the wall outlet before cleaning. Use a damp cloth for
cleaning. Do not use liquid or aerosol cleaners.

4.

Slots and openings in the housing are provided for ventilation. To protect it

from overheating, these openings must not be blocked or covered. This product

should never be installed near or over a radiator or heat register. This product
should not be placed in a built-in installation unless proper ventilation is

provided.

5.

This product should be operated only from the type of power source indicated
on the marking label. If you are not sure of the type of power supply to your
home or business, consult your dealer or local power company.

point within an equilateral triangle is
you to the presence of important operating
instructions in the literature accompanying

basic safety precautions should always be

shock, and injury.

6.

This product is equipped with a three wire grounding type plug. This plug will
only fit into a grounding type power outlet. This is a safety feature. If you are
unable to insert the plug into the outlet, contact your electrician to replace your
outlet. Do not defeat the safety purpose of the grounding type plug.

Do not allow anything to rest on the power cord. Do not locate this product

7.
where the cord will be abused by persons walking on it.

8.

Do not overload wall outlets and extension cords as this can result in the risk of
fire or electric shock.

9.

Never push objects of any kind into this product through housing slots as they
may touch dangerous voltage points or short out parts that could result in a risk

of fire or electric shock. Never spill liquid of any kind on the product.

10.

To reduce the risk of electric shock, do not disassemble this product. Call your

AT&T representative when service or repair work is required. Opening or
removing covers may expose you to dangerous voltages or other risks. Incorrect
reassembly may cause electric shock when the appliance is subsequently used.